26 citations
2 papers
cond-mat.stat-mech2008★ 26 cited
High-temperature expansion of the magnetic susceptibility and higher moments of the correlation function for the two-dimensional XY model
H. Arisue
We calculate the high-temperature series of the magnetic susceptibility and the second and fourth moments of the correlation function for the XY model on the square lattice to orde…
cond-mat.stat-mech2007★ 6 cited
High-Temperature Expansion of the Free Energy in the Two-Dimensional XY Model
Hiroaki Arisue
We extend the high-temperature series of the free energy for the XY model in two dimensions to order from the previous order of by applying the improved algorithm…